WEST LAFAYETTE, Ind. – Instant hand sanitizers may not be everything consumers expect, according to a Purdue university professor who teaches sanitation practices for food service workers. "Waterless, ...

But when soap and water isn't available, the Centers for Disease Control and Prevention (CDC) recommends using a hand sanitizer with at least 60% alcohol. The Food and Drug Administration (FDA ...

Hand sanitizer does expire, usually about three years after its manufacture date. Hand sanitizer expires because its alcohol content dissolves over time — once it drops below 60% alcohol ...